html, body{
    width: 100%;
    height: 100%;
    overflow: hidden; /*解决一些未知的 bug*/
}

body{
    background: url(../images/login_bg.jpg)no-repeat ;
    background-size: cover;
}

#logo{
    margin: 20px 0 0 240px;
}

.box{
    width: 400px;
    height: 310px;
    background-color: #fff;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%,-50%);
}

/* 默认注册的盒子隐藏 */
.register{
    display: none;
}
.box a{
    float: right;
}
.box_title{
    height: 60px;
    background: url(../images/login_title.png) no-repeat center;
}
.layui-form{
    margin: 0 30px;
}

.layui-form-item{
    position: relative;
}
.layui-icon{
    position: absolute;
    left: 8px;
    top: 11px;
}
.layui-input{
    padding-left: 30px;
}
